WEBJan 1, 2014 · Iron ore sintering is a critical process in iron and steel production. It produces qualified sinter for the blast furnace [1]. The process is complex and nonlinear, and many of the process factors are coupled. Proportioning is the first step in the sintering process. The chemical components of the raw materials and their proportions determine ...
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WEBJul 19, 2019 · It is also vital that the fuel is energyefficient and nonpolluting. To date, metallurgical grade coke breeze has been almost universally employed for the iron ore sintering process and is generally recognized as being the best fuel for this purpose (Niesler et al. 2014). Coke breeze is the undersize fraction arising from the screening of .
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WEBApr 11, 2017 · The mechanism of arsenic removal during a sintering process was investigated through experiments with a sintering pot and arsenicbearing iron ore containing arsenopyrite; the corresponding chemical properties of the sinter were determined by inductively coupled plasma atomic emission spectrometry (ICPAES), X .
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WEBThe iron ore sintering process has been identified as a significant source of persistent organic pollutants (POPs), such as polychlorinated dibenzopdioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs), which are collectively referred to as dioxins, and polycyclic aromatic hydrocarbons (PAHs). The sintering process is the main emission ...
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WEBMay 2, 2017 · operation. Sintering is a process of agglomeration based on the tem. perature (°C, Eisele and Kawatra, 2003). The objec. tive of the sintering process is the agglomeration of a mixture ...
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WEBAug 1, 2022 · Mathematical modeling and distribution characteristics evaluation of fuel particles in iron ore sintering process. Author links open overlay panel Fanglei Dai a, Xiaoxian Huang a, Xiaohui Fan a, Xuling Chen a, Min Gan a, Zhiyun Ji a ... Investigation on the evolution characteristics of bed porous structure during iron ore sintering ...
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WEBFeb 13, 2017 · The process of the sinter pot tests included ore proportioning, mixing, granulation, ignition, sintering, cooling, sieving, and quality testing of the For simulating the FGR process, a sealed cover was added on top of the sintering pot after ignition, and the FGR gas was introduced onto the surface of the pot through the .
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WEBNov 16, 2020 · The sinter process of iron ore with biomass carbon instead of coke breeze as fuel was investigated via thermodynamic analysis in this paper through a comparison of sinter composition indexes, metallurgical properties, and pollutant emissions. Straw charcoal was used in this paper, and its replacement does not adversely affect the .
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WEBAbstract A mathematical model of the iron ore sintering process in a fixed sinter bed and optimisation of the process parameters using real valued genetic algorithm is described. The mathematical model is formulated based on mass and energy balances in gas and solid phases, which are represented by simple partial differential equations. The model .
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WEBMathematical modelling of iron ore sintering process using genetic algorithm B. K. Giri and G. G. Roy* A mathematical model of the iron ore sintering process in a fixed sinter bed and optimisation of the process parameters using real valued genetic algorithm is described. The mathematical model is formulated based on mass and energy balances .
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WEBDec 1, 2018 · The softmeasuring model of thermal process established is applied in a sintering field of Chinese iron and steel plant. The setting value of TRP, BRP and BTP of the sintering machine was 28 m, 33 m and 39 m respectively, according to the data analysis of exhaust gas temperature in stable sintering state.
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WEBDec 1, 2020 · In iron ore sintering process, raw materials, including iron ores, fluxes, fuel, and return fines, are blended uniformly and subsequently granulated in a tumbling granulator to form coarse particles with the addition of moisture (Fig. 1). The granules are charged onto a moving strand by a round roll feeder to form a porous packed bed.
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WEBAug 1, 2020 · For iron ore sintering process, both the calcium and iron are necessities. Therefore, the similarities of chemical compositions made iron ore sintering process a promising way to treat MSWI fly ash. Min et al. has explored the emission rule of dioxins and metallurgical properties of finished sinter after adding MSWI fly ash ( Yi et al., 2017 ...
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WEBSep 10, 2017 · Using biomass for partial replacement of coke breeze in ironore sintering process is an effective technique as a countermeasure against global warming. However, the sinter strength would be weakened due to the .
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WEBNov 23, 2021 · Extensive use of selective alytic reduction denitrogenation technology leads to the generation of a large amount of hazardous waste vanadium–tungsten–titanium alysts. To valorize these waste alysts, a new technology for the recycling of waste alysts in steelworks was proposed, in which waste alysts were added to the iron .
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WEBJan 31, 2008 · It has been found that the most optimal both for the iron ore sintering process and the sinter quality is the use of WNS with a particle size of 30 mm, subjected to preliminary pyrolysis up to 873 K.
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WEBJan 1, 2008 · The sintering of iron ore in the laboratory scale reactor provided a reasonable representation of the plant scale process in terms of combustion characteristics. Comparison of results with an inert bed of alumina and with iron ore mix emphasised the need to carry out simulations with sinter mix rather than an inert substitute.
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WEBOxygen enrichment is believed to improve productivity and reduce fuel consumption, while gas fuel injection is assumed to improve the product yield and quality in iron ore sintering process. It is important to understand the mutual effect of oxygen enrichment and gas fuel injection for combined usage of these two techniques. A mathematical model is .
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WEBJan 18, 2023 · Recovery of metallurgical dust by sintering inevitably incorporates Zn into the sintered ore, which can have a significant impact on the ore formation process and the quality of the resulting ore. Through miniaturesintering experiments and theoretical firstprinciples calculations, this paper analyzes in detail the influencing mechanism of Zn on .
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WEBSep 1, 2016 · Iron ore sintering is the process of heating iron ore fines, coke fines, and other materials to produce a semimolten mass that solidifies into porous pieces of sinter with a size and strength suitable for a blast furnace. It is the second most energyconsuming process in steelmaking. Its main source of energy is the combustion of coke, which ...
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WEBOct 1, 2016 · Iron ore sintering is the second most energyconsuming process in steelmaking. The main source of energy for it is the combustion of carbon. To find ways of reducing the energy consumption, it is necessary to predict the carbon efficiency. In this study, the comprehensive carbon ratio (CCR) was taken to be a measure of carbon .
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A material supplier from Belgium would like to produce limestone powder for his custome...
India is rich in various mineral resources and it is an important mineral processing market
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